CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $)	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock
Balance at Sep. 30, 2010	$ 53,468,037	$ 18,245	$ 46,831,646	$ 25,909,652	$ (19,291,506)
Increase (Decrease) in Stockholders' Equity
Share-based compensation	177,399		177,399
Issuance of stock to directors	197,687	42	197,645
Purchase of treasury stock	(298,926)				(298,926)
Net income	716,590			716,590
Balance at Sep. 30, 2011	54,260,787	18,287	47,206,690	26,626,242	(19,590,432)
Increase (Decrease) in Stockholders' Equity
Share-based compensation	439,085		439,085
Issuance of stock to directors	199,999	42	199,957
Purchase of treasury stock	(798,462)				(798,462)
Net income	2,978,994			2,978,994
Balance at Sep. 30, 2012	57,080,403	18,329	47,845,732	29,605,236	(20,388,894)
Increase (Decrease) in Stockholders' Equity
Share-based compensation	678,840		678,840
Exercise of stock options	1,156,294	255	1,156,039
Issuance of stock to directors	200,008	48	199,960
Purchase of treasury stock	(696)				(696)
Dividends	(25,007,519)			(25,007,519)
Net income	1,886,917			1,886,917
Balance at Sep. 30, 2013	$ 35,994,247	$ 18,632	$ 49,880,571	$ 6,484,634	$ (20,389,590)